Ontario weather averages for holidays in 2017/2018

Check Ontario weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Ontario is expected to be 31°C, while the average maximum temperature in September is 21°C. The holiday weather guide shown below is for Toronto.

Ontario weather averages

Check Ontario weather averages before you book your next holiday. The warmest month in Ontario is July with an average maximum temperature of 27°C. The sunniest months are June and July with on average 9 hours of bright sunshine per day. The month with the least number of days with some rain is July with 9 days. The sea is at its warmest in Ontario in August with an average sea temperature of 21°C. The Ontario weather averages shown below are for Toronto.

Ontario weather today

Here is the weather in Ontario today, Tuesday 26th September 2017. Expect clear skies in Ontario with a maximum temperature of 31°C and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south. The weather forecast shown below is for Toronto.